Marrinan graduated from the Academy of Art in San Francisco, with a BFA in Illustration.
Chris Marrinan is a professional illustrator and comic book artist. He began his career in 1986 working for Eclipse Books on the title Champions. Later on he worked for publishers like First Comics and Hero Comics. His first published work for DC Comics was in 1988 on the title Wonder Woman. He was hired by Marvel Comics and worked on the title Captain America. He has also worked for Image Comics and Dark Horse Comics.
Most recently he has been working as an independent illustrator.